| Name | Speciality | Area |
|---|---|---|
| Mrs K O Brien (Blacker) | Radiographer | Morningside |
| Dr CS O Connor | Dentist | Harmelia |
| Ms PAM O Dea | Psychologist - Clinical | Sea Point |
| Sr U O Neil | Nurses - Professional/Registered | Bracken Downs |
| Sr DE O Neill | Nurses - Professional/Registered | Somerset Park |
| Miss JC O Neill | Physiotherapist | Lansdowne |
| Mrs HP O Riley | Physiotherapist | Rondebosch |
| Dr GDD O' Brien | Orthopaedic Surgeon | Rosebank |
| Dr JA O' Brien | Pulmonologist | Cape Town |
| Mr KSEM O' Brien | Psychologist - Clinical | Bergvliet |
| Dr L O' Brien | Primary Care Doctor | Morningside |
| Sr V O' Bryen | Nurses - Professional/Registered | Parow |
| Mrs BM O' Callaghan | Psychologist - Counselling | Bryanston |
| Dr JH O' Callaghan | Dentist | Melkbosstrand |
| Dr KJ O' Callaghan | Gynaecologist & Obstetrician | Observatory |
| Ms SB O' Carroll | Psychologist - Educational | Muizenberg |
| Ms CL O' Connor | Speech - Therapy & Audiology | Glen Austin |
| Dr KR O' Connor | Primary Care Doctor | Pietermaritzburg |
| Mr S O' Connor | Pharmacist | Wynberg |
| Sr AS O' Connor - Smit | Nurses - Professional/Registered | Rondebosch |
| Dr CE O' Cuinneagain | Dentist | Tokai |
| Dr D O' Cuinneagain | Primary Care Doctor | Tokai |
| Mr PA O' Donoghue | Pharmacist | Westville |
| Dr TT O' Flynn | Phytotherapist | Claremont |
| Dr CE O' Grady | Homoeopath | Paarl |